137980 EG endo-beta-1,4-glucanase 17 3956028 EGase endo-beta-1,4-glucanase 7 2631062 end1 endo-beta-1,4-glucanase gene 5 674271 Ben endo-beta-1,4-glucanase 1 2736694 GluS endo-beta-1,4-glucanase 1 2618327 eglS endo-beta-1,4-glucanase 1